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PCI/ISA UD486GRN

UNIDENTIFIED

PCI/ISA UD486GRN

Processor

CX486SX/80486SX/SL80486SX/SL80486SX2/CX486DX/AM486DX/UMCU5S/ SL80486DX/CX486DX2/AM486DX2/SL80486DX2/AM486DX4/80486DX4

Processor Speed

25/33/40/50(internal)/50/66(internal)/75(internal)/100(internal)MHz

Chip Set

UMC

Max. Onboard DRAM

128MB

Cache

128/256/512KB

BIOS

Unidentified

Dimensions

220mm x 220mm

I/O Options

32-bit PCI slots (3), green PC connector, IDE interfaces (2)

NPU Options

None

CONNECTIONS

Purpose

Location

Purpose

Location

Speaker

CN1

Turbo switch

JP29

Power LED & keylock

CN2

Turbo LED

JP30

IDE interface

JH1

Reset switch

JP31

IDE interface

JH2

IDE interface LED

JP32

Green PC connector

JP26

32-bit PCI slots

PC1 - PC3

USER CONFIGURABLE SETTINGS

Function

Jumper

Position

»

CMOS memory normal operation

JC

Closed

 

CMOS memory clear

JC

Open

 

IDE interface enabled

JP2

Open

 

IDE interface disabled

JP2

Closed

»

Port address fixed

JP3

Closed

 

Port address relocatable

JP3

Open

»

Factory configured - do not alter

JP10

Open

»

Factory configured - do not alter

JP15

pins 1 & 2 closed

DRAM CONFIGURATION

Size

Bank 0

Bank 1

Bank 2

Bank 3

2MB

(1) 256K x 36

(1) 256K x 36

NONE

NONE

4MB

(1) 1M x 36

NONE

NONE

NONE

4MB

NONE

(1) 1M x 36

NONE

NONE

8MB

(1) 1M x 36

(1) 1M x 36

NONE

NONE

8MB

NONE

NONE

(1) 2M x 36

NONE

12MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

NONE

16MB

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

(1) 1M x 36

16MB

(1) 2M x 36

(1) 2M x 36

NONE

NONE

16MB

(1) 4M x 36

NONE

NONE

NONE

32MB

(1) 4M x 36

(1) 4M x 36

NONE

NONE

32MB

NONE

NONE

(1) 4M x 36

(1) 4M x 36

32MB

(1) 8M x 36

NONE

NONE

NONE

48MB

(1) 4M x 36

(1) 4M x 36

(1) 4M x 36

NONE

64MB

(1) 8M x 36

(1) 8M x 36

NONE

NONE

128MB

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

(1) 8M x 36

CACHE CONFIGURATION

Size

Bank 0

TAG

128KB

(4) 32K x 8

(1) 8K x 8

256KB

(4) 64K x 8

(1) 32K x 8

512KB

(4) 128K x 8

(1) 32K x 8

CACHE JUMPER CONFIGURATION

Size

JP22

JP23 pins 1 & 2

JP23 pins 3 & 4

JP25

128KB

Open

Closed

Open

pins 1 & 2 closed

256KB

Open

Closed

Closed

pins 2 & 3 closed

512KB

Closed

Closed

Closed

pins 2 & 3 closed

CPU TYPE CONFIGURATION

Type

JP7

JP11

JP12

JP13

JP14

CX486SX

Open

1 & 2

Open

2 & 3

1 & 2, 3 & 4

80486SX

Closed

Open

Open

2 & 3

Open

SL80486SX

Closed

Open

Open

2 & 3

2 & 3, 4 & 5

SL80486SX2

Closed

Open

Open

2 & 3

2 & 3, 4 & 5

CX486DX

Open

1 & 2

3 & 4

1 & 2, 3 & 4

1 & 2, 3 & 4

AM486DX

Closed

Open

3 & 4

1 & 2, 3 & 4

Open

UMCU5S

Closed

Open

1 & 2

2 & 3

Open

SL80486DX

Closed

Open

3 & 4

1 & 2, 3 & 4

2 & 3, 4 & 5

CX486DX2

Open

1 & 2

3 & 4

1 & 2, 3 & 4

1 & 2, 3 & 4

AM486DX2

Closed

Open

3 & 4

1 & 2, 3 & 4

Open

SL80486DX2

Closed

Open

3 & 4

1 & 2, 3 & 4

2 & 3, 4 & 5

AM486DX4

Closed

Open

3 & 4

1 & 2, 3 & 4

Open

80486DX4

Closed

Open

3 & 4

1 & 2, 3 & 4

2 & 3, 4 & 5

Note: Pins designated should be in the closed position.

CPU TYPE CONFIGURATION (CON’T)

Type

JP16

JP17

JP19

JP20

JP21

JP24

CX486SX

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

80486SX

1 & 2

1 & 2

Open

Open

Open

Open

SL80486SX

1 & 2

1 & 2

Open

1 & 2

1 & 2

Open

SL80486SX2

1 & 2

1 & 2

Open

1 & 2

1 & 2

Open

CX486DX

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

AM486DX

1 & 2

1 & 2

Open

Open

Open

Open

UMCU5S

1 & 2

2 & 3

Open

2 & 3

Open

3 & 4

SL80486DX

1 & 2

1 & 2

Open

1 & 2

1 & 2

Open

CX486DX2

2 & 3

1 & 2

2 & 3

1 & 2

2 & 3

2 & 3

AM486DX2

1 & 2

1 & 2

Open

Open

Open

Open

SL80486DX2

1 & 2

1 & 2

Open

1 & 2

1 & 2

Open

AM486DX4

1 & 2

1 & 2

Open

Open

Open

Open

80486DX4

1 & 2

1 & 2

Open

1 & 2

1 & 2

Open

Note: Pins designated should be in the closed position.

CPU SPEED CONFIGURATION

Speed

JP18 pins 1 & 2

JP18 pins 3 & 4

JP18 pins 5 & 6

25MHz

Open

Open

Open

33MHz

Closed

Closed

Open

40MHz

Open

Closed

Open

50iMHz

Open

Open

Open

50MHz

Closed

Open

Open

66iMHz

Closed

Closed

Open

75iMHz

Open

Open

Open

100iMHz

Closed

Closed

Open

CPU SPEED CONFIGURATION (80486DX4 ONLY)

Speed

JP9

2x

Closed

3x

Open

KEYBOARD CONFIGURATION

Setting

JP1

JP4

JP5

JP6

JP27

JP28

Internal

7 & 8, 9 & 10

1 & 2

1 & 2

1 & 2

2 & 3

1 & 2

External

1 & 3, 2 & 4, 5 & 7, 6 & 8

2 & 3

2 & 3

2 & 3

1 & 2

2 & 3

Note: Pins designated should be in the closed position.

MISCELLANEOUS TECHNICAL NOTE

Note: The location of pin 1 is unidentified. Jumpers are shown for location purposes only. The actual location may vary.